$ (document).ready (function ()
    {   
	    $ ("#Nav").hide ();
		$ ("#shade").hide ();
        $ ("#Nav-btn").click (function ()
        {   $("body").css("height","100%");
		    $("html").css("height","100%");
            $ ("#Nav").toggle (500).css({"right":"0"});
			$ ("#shade").toggle (500).css({"left":"0"});
			$("body").css("overflow","hidden");
        });
		$("#shade").click(function()
		{
			$ ('#Nav').hide (500);
			$ ('#shade').hide (500);
			$("body").css("height","auto");
		    $("html").css("height","auto");
		})
    })
	
	